1. The lack of uniformity in colour matching;Alpern;J. Physiol., Lond.,1979
2. A note on theory of the Stiles-Crawford Effects;Alpern,1983
3. Variation in the visual pigments of human dichromats and normal human trichromats;Alpern,1987
4. Altered ocular pigments, photostable and labile;Alpern;Mod. Probl. Ophthal.,1976
5. The dependence of the colour and brightness of a monochromatic light upon its angle of incidence on the retina;Alpern;J. Physiol. Lond.,1983